Indiana
- County:
- Indiana County
- County Seat:
- Yes
- Area (mi²):
- 1.759
- State:
- Pennsylvania
Indiana is a borough located in Indiana County, Pennsylvania. Indiana has a 2026 population of 14,294. It is also the county seat of Indiana County. Indiana is currently declining at a rate of -0.01% annually but its population has increased by 1.95% since the most recent census, which recorded a population of 14,021 in 2020.